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  <title>扩充或精简字体</title>
 </head>
 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.imagepsextendfont" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">imagepsextendfont</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">imagepsextendfont</span> &mdash; <span class="dc-title">扩充或精简字体</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.imagepsextendfont-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>imagepsextendfont</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$font_index</code></span>
   , <span class="methodparam"><span class="type">float</span> <code class="parameter">$extend</code></span>
   ) : <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   扩充或精简某字体（<code class="parameter">font_index</code>）。如果
   <code class="parameter">extend</code> 参数的值小于一则是精简该字体。
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.imagepsextendfont-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">font_index</code></dt>

     <dd>

      <p class="para">
       由 <span class="function"><a href="imagepsloadfont.html" class="function">imagepsloadfont()</a></span> 返回的字体资源。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">extend</code></dt>

     <dd>

      <p class="para">
       扩展的值，必须大于 0。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.imagepsextendfont-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.imagepsextendfont-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3728">
    <p><strong>Example #1 <span class="function"><strong>imagepsextendfont()</strong></span> 例子</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">//&nbsp;Load&nbsp;a&nbsp;.pfb&nbsp;font&nbsp;file<br /></span><span style="color: #0000BB">$font&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">imagepsloadfont</span><span style="color: #007700">(</span><span style="color: #DD0000">'./px3l.pfb'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Extend&nbsp;the&nbsp;font&nbsp;by&nbsp;2.5<br /></span><span style="color: #0000BB">imagepsextendfont</span><span style="color: #007700">(</span><span style="color: #0000BB">$font</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2.5</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Do&nbsp;any&nbsp;operations&nbsp;with&nbsp;the&nbsp;font&nbsp;here<br /><br />//&nbsp;Free&nbsp;the&nbsp;font&nbsp;from&nbsp;memory<br /></span><span style="color: #0000BB">imagepsfreefont</span><span style="color: #007700">(</span><span style="color: #0000BB">$font</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 notes" id="refsect1-function.imagepsextendfont-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数仅在 PHP
编译时指定了 <strong class="option configure">--with-t1lib[=DIR]</strong>
 时可用。</span></p></blockquote>
 </div>

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